1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.tv.menu; 18 19 import android.content.Context; 20 import android.util.AttributeSet; 21 import android.util.Log; 22 import android.view.accessibility.AccessibilityNodeInfo; 23 import android.widget.ImageView; 24 import android.widget.RelativeLayout; 25 import android.widget.TextView; 26 import com.android.tv.R; 27 28 /** A view to render an item of TV options. */ 29 public class ActionCardView extends RelativeLayout implements ItemListRowView.CardView<MenuAction> { 30 private static final String TAG = MenuView.TAG; 31 private static final boolean DEBUG = MenuView.DEBUG; 32 33 private static final float OPACITY_DISABLED = 0.3f; 34 private static final float OPACITY_ENABLED = 1.0f; 35 36 private ImageView mIconView; 37 private TextView mLabelView; 38 private TextView mStateView; 39 ActionCardView(Context context)40 public ActionCardView(Context context) { 41 this(context, null); 42 } 43 ActionCardView(Context context, AttributeSet attrs)44 public ActionCardView(Context context, AttributeSet attrs) { 45 this(context, attrs, 0); 46 } 47 ActionCardView(Context context, AttributeSet attrs, int defStyle)48 public ActionCardView(Context context, AttributeSet attrs, int defStyle) { 49 super(context, attrs, defStyle); 50 } 51 52 @Override onFinishInflate()53 protected void onFinishInflate() { 54 super.onFinishInflate(); 55 mIconView = (ImageView) findViewById(R.id.action_card_icon); 56 mLabelView = (TextView) findViewById(R.id.action_card_label); 57 mStateView = (TextView) findViewById(R.id.action_card_state); 58 } 59 60 @Override onBind(MenuAction action, boolean selected)61 public void onBind(MenuAction action, boolean selected) { 62 if (DEBUG) { 63 Log.d(TAG, "onBind: action=" + action.getActionName(getContext())); 64 } 65 mIconView.setImageDrawable(action.getDrawable(getContext())); 66 mLabelView.setText(action.getActionName(getContext())); 67 mStateView.setText(action.getActionDescription()); 68 if (action.isEnabled()) { 69 setEnabled(true); 70 setFocusable(true); 71 mIconView.setAlpha(OPACITY_ENABLED); 72 mLabelView.setAlpha(OPACITY_ENABLED); 73 mStateView.setAlpha(OPACITY_ENABLED); 74 } else { 75 setEnabled(false); 76 setFocusable(false); 77 mIconView.setAlpha(OPACITY_DISABLED); 78 mLabelView.setAlpha(OPACITY_DISABLED); 79 mStateView.setAlpha(OPACITY_DISABLED); 80 } 81 } 82 83 @Override onSelected()84 public void onSelected() { 85 if (DEBUG) { 86 Log.d(TAG, "onSelected: action=" + mLabelView.getText()); 87 } 88 } 89 90 @Override onDeselected()91 public void onDeselected() { 92 if (DEBUG) { 93 Log.d(TAG, "onDeselected: action=" + mLabelView.getText()); 94 } 95 } 96 97 /** Request focus and accessibility focus on card view. */ 98 @Override requestFocusWithAccessibility()99 public boolean requestFocusWithAccessibility() { 100 return requestFocus() && 101 performAccessibilityAction(AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS, null); 102 } 103 104 @Override onRecycled()105 public void onRecycled() {} 106 } 107